// run// Copyright 2012 The Go Authors. All rights reserved.// Use of this source code is governed by a BSD-style// license that can be found in the LICENSE file.// Issue 3899: 8g incorrectly thinks a variable is// "set but not used" and elides an assignment, causing// variables to end up with wrong data.//// The reason is a miscalculation of variable width.package main
func bar(f func()) {
f()
}
func foo() {
f := func() {}
if f == nil {
}
bar(f)
}
func main() {
foo()
}